Microsoft .NET Framework up to 4.6 MVC code

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Microsoft .NET Framework up to 4.6 (Programming Language Software). It has been declared as problematic. This vulnerability affects some unknown functionality of the component MVC. The manipulation with an unknown input leads to a code vulnerability. The CWE definition for the vulnerability is CWE-17. As an impact it is known to affect availability. CVE summarizes:

Microsoft .NET Framework 4.5, 4.5.1, 4.5.2, and 4.6 allows remote attackers to cause a denial of service to an ASP.NET web site via crafted requests, aka "MVC Denial of Service Vulnerability."

The weakness was disclosed 09/08/2015 by Roberto Suggi Liverani with NATO Communications and Information Agency as MS15-101 as confirmed bulletin (Technet). The advisory is shared for download at technet.microsoft.com. This vulnerability was named CVE-2015-2526 since 03/19/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 85847 (MS15-101: Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3089662)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91091 (Microsoft .NET Framework Elevation of Privilege and Denial of Service Vulnerability (MS15-101)).

Applying the patch MS15-101 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (85847). The entry 77611 is pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code
CWE: CWE-17
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 85847
Nessus Name: MS15-101: Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (3089662)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802207
OpenVAS Name: Microsoft .NET Framework Privilege Elevation Vulnerabilities (3089662)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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Patch: MS15-101

Timelineinfo

03/19/2015 🔍
09/08/2015 +173 days 🔍
09/08/2015 +0 days 🔍
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09/09/2015 +1 days 🔍
09/09/2015 +0 days 🔍
06/14/2022 +2470 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS15-101
Researcher: Roberto Suggi Liverani
Organization: NATO Communications and Information Agency
Status: Confirmed

CVE: CVE-2015-2526 (🔍)
SecurityTracker: 1033493 - Microsoft .NET Bugs Let Local Users Gain Elevated Privileges and Remote Users Deny Service
Vulnerability Center: 52538 - [MS15-101] Microsoft .NET Framework on Windows Remote DoS via Specially Crafted Requests - CVE-2015-2526, Medium
SecurityFocus: 76567 - Microsoft .NET Framework Model View Controller CVE-2015-2526 Remote Denial of Service Vulnerability

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Entryinfo

Created: 09/09/2015 10:06
Updated: 06/14/2022 16:22
Changes: 09/09/2015 10:06 (70), 04/05/2017 16:01 (11), 06/14/2022 16:22 (2)
Complete: 🔍

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